max

Edit 1 17 …
the customary is only used in a few countries.



external image metric_system_map.jpg
the red areas are the people who use the customary system
my links
http://www.coe.uh.edu/archive/science/science_lessons/scienceles3/measure/index.html


TRY IT YOURSELF(Quiz)
http://www.mce.k12tn.net/measurement/quiz1.htm**


external image mrgallon.gif

mr.gallon shows capacity because
2cups=1pint
2pints=1quarts
and 4quarts=1gallon

external image measurement_facts3.gif

THE METRIC SYSTEM
AREA
Unit
 Abbreviation
 Number of
Square Meters
 Approximate U.S. Equivalent
square kilometer
 sq km or km2
 1,000,000
 0.3861 square miles
hectare
 ha
 10,000
 2.47 acres
are
 a
 100
 119.60 square yards
square centimeter
 sq cm or cm2
 0.0001
 0.155 square inch

CAPACITY
Unit
 Abbreviation
 Number of
Liters
 Approximate U.S. Equivalent



cubic
 dry
 liquid
kiloliter
 kl
 1,000
 1.31 cubic yards

hectoliter
 hl
 100
 3.53 cubic feet
 2.84 bushels
dekaliter
 dal
 10
 0.35 cubic foot
 1.14 pecks
 2.64 gallons
liter
 l
 1
 61.02 cubic inches
 0.908 quart
 1.057 quarts
cubic decimeter
 dm3
 1
 61.02 cubic inches
 0.908 quart
 1.057 quarts
deciliter
 dl
 0.10
 6.1 cubic inches
 0.18 pint
 0.21 pint
centiliter
 cl
 0.01
 0.61 cubic inch
0.338 fluid ounce
milliliter
 ml
 0.001
 0.061 cubic inch
0.27 fluid dram
microliter
 µl
 0.000001
 0.000061 cubic inch
0.00027 fluid dram
The base for capactiy is a liter.
MASS AND WEIGHT
Unit
 Abbreviation
 Number of
Grams
 Approximate U.S. Equivalent
metric ton
 t
 1,000,000
 1.102 short tons
kilogram
 kg
 1,000
 2.2046 pounds
hectogram
 hg
 100
 3.527 ounces
dekagram
 dag
 10
 0.353 ounce
gram
 g
 1
 0.035 ounce
decigram
 dg
 0.10
 1.543 grains
centigram
 cg
 0.01
 0.154 grain
milligram
 mg
 0.001
 0.015 grain
microgram
 µg
 0.000001
 0.000015 grain
the base for weight is a gram
The metric system is very differnt